Lincoln Electric 50448 Service Manual page 70

DISASSEMBLY OPERATIONS (continued)
USER INTERFACE BOARD REMOVAL AND REPLACEMENT PROCEDURE
10. Using the torx T25 wrench remove the 4 screw (A) that are fixing the User Interface assembly on the Feeder front
panel. See Figure 2.
11. Pull carefully the User Interface board and disconnect the connector X1 and X4 from the User Interface.
12. Before doing any other operation remove the 7" LCD screen from the User Interface Board, disconnecting the flat
cable from the connector X10. See Figure 3.
13. Using the Torx T25 wrench remove the 4 screws (B) that are fixing the User Interface Board to the metal frame.
14. Remove the User Interface board from the feeder. See Figure 4
15. For the new User Interface Board re-assembly operations, make the previous steps in the reverse order
For LF56D
X10
Figure 3
Figure 2
A
B
Figure 4